* {
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

#map {
    width: 100%;
    height: 100%;
    background: #b3c5db;
}

#canvas {
    position: absolute;
    top: 0;
    left: 0;
}